Need help with installing custom mod or upgrading android in HCL Me Tablet Connect-V3

Hi, I need help in upgrading my android version or installing a custom mod in my HCL Me Tablet. I have looked everywhere but couldn't not find supported upgrade for my tablet. I think installing custom mod also upgrades your android so please reply if you have any information.

Tablet information:
Name: HCL Me Tablet
Version: Connect-V3/Connect V3
Manufactor: HCL
Android Version: 4.1.2
Supports auto-update? Yes, but never updates

Note: There is also a manual update option where the update files should be named as "update.zip" and placed in Internal Memory (SDCard0). I guess this is for updating android version.

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